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A nucleus with Z =92 emits the following...

A nucleus with Z =92 emits the following in a sequence:
`alpha,beta^(-),beta^(-),alpha,alpha,alpha,alpha,alpha,beta^(-),beta^(-),alpha,beta^(+),beta^(+),alpha`. The Z of the resulting nucleus is

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A nucleus with Z=92 emits the following in a sequence alpha, alpha, beta^(-), beta^(-), alpha, alpha, alpha, alpha, beta^(-), beta^(-), alpha, beta^(+), alpha . The Z of the resulting nucleus is

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